Home / 268,669.75-370,764.24-147,808.45

Finding the Fourth Proportional to 268,669.75, 370,764.24 and 147,808.45

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Solution

The fourth proportional to 268,669.75, 370,764.24 and 147,808.45 is: 203,975.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,669.75 : 370,764.24 = 147,808.45 : x
  2. Step 2: Convert to fraction form
    268,669.75/370,764.24 = 147,808.45/x
  3. Step 3: Cross multiply
    268,669.75x = 370,764.24 × 147,808.45
  4. Step 4: Simplify right side
    268,669.75x = 54,802,087,629.83
  5. Step 5: Solve for x
    x = 54,802,087,629.83/268,669.75
  6. Step 6: Final answer
    x = 203,975.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.